package PTA;

import java.util.Arrays;
import java.util.Comparator;
import java.util.Scanner;

class PersonSortable2{
	private String name;
	private int age;
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public int getAge() {
		return age;
	}
	public void setAge(int age) {
		this.age = age;
	}
	public PersonSortable2(String name,int age){
		this.name = name;
		this.age = age;
	}
	@Override
	public String toString() {
		return name+"-"+age;
	}
	
}

class NameComparator implements Comparator<PersonSortable2>{
	public int compare (PersonSortable2 o1,PersonSortable2 o2){
		return o1.getName().compareTo(o2.getName());
	}
}


class AgeComparator implements Comparator<PersonSortable2>{
	public int compare (PersonSortable2 o1,PersonSortable2 o2){
		return o1.getAge()-o2.getAge();
	}
}
public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner in = new Scanner (System.in);
		int n = in.nextInt();
		PersonSortable2[] Person = new PersonSortable2[n];
		for (int i = 0; i < n; i++) {
			Person[i] = new PersonSortable2(in.next(),in.nextInt());
		}
		Arrays.sort(Person, new NameComparator());
		System.out.println("NameComparator:sort");
		for (int i = 0; i < n; i++) {
			System.out.println(Person[i]);
		}
		
		Arrays.sort(Person, new AgeComparator());
		System.out.println("AgeComparator:sort");
		for (int i = 0; i < n; i++) {
			System.out.println(Person[i]);
		}
		System.out.println(Arrays.toString(NameComparator.class.getInterfaces()));
		System.out.println(Arrays.toString(AgeComparator.class.getInterfaces()));
	}

}
